Wrapping method



H. 0. FISCHER.

WRAPPING METHOD.

APPLICATION nun JAN. I1, 1914.

Pat ntedl Aug. 15, 1916.

pnrrnn ermine rarnnr unripe.

HERMAN OTTO FISCHER, OF SPRINGFIELD, MASSACHUSETTS, ASSIGNOR T0 PACKAGE MACHINERY COMPANY, OF SPRINGFIELD, MASSACHUSETTS, A CORPORATION OF MASSACHUSETTS.

wnnrrmo METHOD.

Specification of Letters Patent. Patagntngdl Aug, 1L5, llgllfi.

Application filed January 17, 1914. Serial No. 812,662.

To all whom it may concern:

Be it known that I, HERMAN Orro FISCHER, a subject of the Emperor of Germany, residing at Springfield, in the county of Hampden and State of Massachusetts, ha e invented new and useful Improvements in Wrapping Methods, of which the following is a specification.

This invention relates to packages and methods of wrapping articles to produce packages.

It is especially concerned with methods of wrapping cartons, boxes and other MUClBS ends of the carton and an end seal or sticker is placed over each end to complete the wrapping operation. Theseend seals usually bear the manufacturers trade-mark or some peculiar design, and this method not only producesa package having a neat appearance, but makes a very tight and effective wrapping. The method is, however, open to the objection that itrequires the handling of three separate pieces of wrapping material; that is, the wrapper and the two end seals or stickers. The present 1nvention has for its chief object to devise a method of wrapping articles which will produce a very tightly sealed and attractive package and will require the handling of but a single piece of wrapping material.

The preferred method of carrying the 1nvention into effect will now be described.

In the accompanying drawings which form a part of this specification, Figure 1 is a perspective view showing one step in the method of wrapping articles according to the present invention. Fig. 2 is a similar view showing the second step of the wrapping method completed. Fig. 3 indicates the beginning of the third step. Fig. 4 1ndicates the completion of the method. Fig. 5 is a-perspective view of the finished package, and Fig. 6 is a developed view of the wrapper showing the folds by dotted llnes.

This method of wrapping may be accoma small amount.

plished by hand or by an automatic machine and the method itself is independent of any specific wrapping machine. The wrapping operation according to the preferred method will be described as carried out by hand.

A wrapper b, of rectangular shape and without cuts of any description, is folded around the article a to form a tube covering all four of the longitudinal faces of the article. The edges of the wrapper, on one of which adhesive material has been applied, are sealed with a lap joint preferably in the position shown in Fig. 1, so that the outermost or visible edge of the wrapper b is 'substantially flush with one edge of the article a. Two four-sided tubular wrapper extensions now project at opposite ends of the package. Fig. 1 shows this first step completed, leaving top end extensions 0, bottom end extensions d, and side end extensions 6 yet to be folded to complete the wrapping.

In describing the end folding operations, the method as applied to one end only will be described. It should be noted particularly in this connection that the length 9 of the extensions 0, d, and e, which project beyond the article a is substantially equal to the height f of the article a. The first step in the end folding operations is to fold downwardly the top end extension 0 as shown in Fig. 2, and this operation results in the formation of a crease 6 along the diagonal of the end extensions 6, leaving the latter in the shape of a right triangle. Due to the conditions previously specified the lower edge of the extension 0 as viewed in Fig. 2 reaches just to the lower edge of the article a and completely closes the end of the package. Adhesive material may now be applied to the exposed surface of the extension 0, to the inner exposed surfaces of the right triangular shaped pieces 6 and to the upper surface of the bottom end exten-- vFig. 3 which shows the triangular shape portions creased at e and folded inwardly The crease e divides the hypotenuse of the triangular shaped portions 6, as seen in Fig. 2, into equal parts and extends from the middle point thereof to the lower corner ofthe article a. Fig. 6, which is a view of the wrapper-after the same has been removed from the package and flattened out, clearly shows these creases e Coincident with the inward folding or doubling upon themselves of the end extensi'ons' e, which results in dividing the latter into two right triangles, adhesive material preferably is applied to the outer surfaces thereof, so that as the inward folding continues and as the bottom extension d is brought upwardly, as shown in Fig. 4, all

the folds will be securely sealed; The side 61 of eachend extension thus forms a closing or sealing flap for its respective end of the package, and its edges lie substantially flush with the edges of its end face of the package.

Fig. 6 indicates the developed View of the wrapper and the various panels into which the wrapper is folded, the longitudinal panels being numbered 1, 2, 3, 4 and 5. The folding lines are indicated by dotted lines.

Fig. 5 shows the wrapping operation completed and it is ,to be noted particularly here that edges d and d of the end extension or end closing flap d and the edge b, as has been previously pointed out, are substantially flush with the edges of the ends and sides, respectively, of the package (1. Due to this condition neither folds, joints nor edges of the Wrapper are conspicuous, the

end sealing flap other end folds.

My method may, of, course be varied in some details without depart1ng from the broad invention. I have described a preferred method of wrapping which is not only simple, but which produces a very tightly sealed package of extremely neat appearance and which lends itself readily to designs very similar to those now frequently used in packages made by the old wrapping method above described.

What I claim is:

1. The method of wrapping articles, which d completely covering the consists in folding a wrapper around an article to partially inclose the article and form a tubular end extension for each end closure to be made, then forming said end closure by folding said extension against the end of the article in such a manner as to form an' end closing flap covering the other end folds and having its edges lying sion against the end of the article in such a manner as to form an end closing flap covering the other end folds and having its edges lying substantially flush with the edges of the end face of the package and sealing all the folds in place.

' 3. The method of wrapping an article of prismatic shape and of rectangular cross section,- which consists in folding a wrapper around the article to form a tube covering the longitudinal faces of the article and having its ends extending beyond the ends of the article in opposite directions in the form of four-sided wrapper extensions, then folding the sides of each extension to form a sealing flap having substantially the same size and shape as the end face of the ackage, and folding said flap against said ace over the other end folds and sealing it in its folded position with its edges lying substantially flush with the edges of the end face of the package.

4:. The method of wrapping an article of prismatic shape and of rectangular cross section, which consists in folding a wrapper around the article to form a tube coverin the longitudinal faces of the article and forming four-sided wrapper extensions projecting beyond the opposite ends of the article, sealing the longitudinal edges of the wrapper in overlapping relationship with the visible edge lying substantially flush with one longitudinal edge of the article, then folding the sides of each extension to form a sealing flap having substantially the same size and shape as the end face of the package, and folding said flap against said face over the other end folds and sealing it in its folded position with its edges lying substantially flush with the edges of the end face of the ackage. RMAN OTTO FISCHER.

Witnesses:

F. G. NEAL, H. E. HARTWELL. 

